﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Nancy;
using Nancy.Owin;

namespace NancyCore.Demo
{
    public class Startup
    {
        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            app.UseOwin(x => x.UseNancy())
            ;
            app.UseOwin(pipeline =>
            {
                pipeline(next => OwinHello);
            });
            app.Run(async (context) =>
            {
                await context.Response.WriteAsync("Hello World! Configure");
            });

        }

        public Task OwinHello(IDictionary<string, object> environment)
        {
            string responseText = "Hello World via OWIN";
            byte[] responseBytes = System.Text.Encoding.UTF8.GetBytes(responseText);
            var responseStream = (System.IO.Stream)environment["owin.ResponseBody"];
            var responseHeaders = (IDictionary<string, string[]>)environment["owin.ResponseHeaders"];
            responseHeaders["Content-Length"] = new string[] { responseBytes.Length.ToString(System.Globalization.CultureInfo.InvariantCulture) };
            responseHeaders["Content-Type"] = new string[] { "text/plain" };
            return responseStream.WriteAsync(responseBytes, 0, responseBytes.Length);
        }
    }

    //public class HelloModule : NancyModule
    //{
    //    public HelloModule()
    //    {
    //        Get("/", p => "Hello NancyCore.Demo");
    //    }
    //}
}
